On Fri, May 27, 2016 at 7:06 PM, Francisco Jerez <curroje...@riseup.net> wrote:
> I haven't found any evidence that this isn't supported by the
> hardware, in fact according to the SNB hardware spec:
>
> "The supported regioning modes for math instructions are align16,
> align1 with the following restrictions:
> - Scalar source is supported.
> [...]
> - Source and destination offset must be the same, except the case of
> scalar source."
Strange. I added code to copy propagate to handle this, fixing some
regressions in
commit 7f5a8ac155283e78df2da5b172a65361a80d38b6
Author: Matt Turner <matts...@gmail.com>
Date: Sat Apr 25 01:50:04 2015 -0700
i965/fs: Disallow constant propagation into POW on Gen 6.
Fixes assertion failures in three piglit tests on Gen 6 since commit
0087cf23e.
I'd like to run piglit before and after that commit and see what
changed on Sandybridge. I'll push it to Jenkins.
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